Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/24/2025 21:09:23 -0.37, 61.51 -1.01, 64.33 321.13 80
2 10/26/2025 09:33:58 0.29, 61.53 -0.28, 59.05 283.52 80
3 10/27/2025 09:12:35 0.34, 61.55 0.81, 63.56 230.57 80
4 10/28/2025 21:37:03 -0.26, 61.56 0.49, 58.32 370.06 80
5 10/29/2025 21:15:40 -0.31, 61.59 -0.60, 62.84 142.69 80
6 10/31/2025 09:40:16 0.23, 61.63 -0.68, 57.56 464.00 80
7 11/01/2025 09:18:52 0.28, 61.65 0.37, 62.08 49.72 80
8 11/03/2025 21:24:37 -0.23, 61.68 -0.18, 61.35 36.97 80
9 11/04/2025 21:03:13 -0.28, 61.71 -1.22, 65.88 475.23 80
10 11/06/2025 09:27:48 0.19, 61.77 -0.10, 60.61 133.17 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_GOES-15_NPP_20251024.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/23/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP